01 Simple

20:37:15 Create new Spreadsheet object
20:37:15 Set document properties
20:37:15 Add some data
20:37:15 Rename worksheet
20:37:15 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0028 seconds
20:37:15 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0079 seconds
20:37:15 Peak memory usage: 6MB